Question: where is administrative headquarters for perpetrator of Battle of Ankara ?
Paraphrase: where is authoritative central command for culprit of Fight of Ankara ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q209387 wdt:P710 ?X . ?X wdt:P36 ?answer}
Answer: Constantinople, Bursa, Edirne, Söğüt, Bucharest, Târgoviște, Curtea de Argeș, Câmpulung